Location Lat 3°23'30.89"S Long 144°24'20.47"E Wei Island is a small island roughly 2.75 miles long by .75 miles wide in the Bismark Sea located off the north coast of New Guinea. Also known as "Vial Island". Wei is roughly 18 miles to the southeast is Blup Blup Island and 15 miles west is Koil Island, 35 miles to the southeast is Hansa Bay. 230 miles to the northeast is Momote Airfield (Hyane) and 445 miles to the northeast is Kavieng Airfield.